The past comes to visit when a serial killer who stopped three decades ago suddenly starts killing again. Byl struggles to come to terms with Fritz's death.

The team is faced with a serial killer who is more beast than man. Trotsky shows his true colors and is instructed to get information from Nicky. The sniper strikes again.

A serial killer takes justice into his own hands and carves victims' sins on their foreheads. Trotsky turns up unexpectedly at the offices. Lena struggles without her family.

The serial killer's motives begin to diverge and justice is served. It's Mischa's birthday and Byl organizes a surprise party. He and Nicky get devastating news.

The serial killer is obsessed with the perfect human skin, skin with which he knits a mask for himself. Trotsky plants the seed to lobby Philander.

Byl is at home with Andre Verwey. Vermeer's poisonous tentacles reach to the highest government officials. Juan realizes that he and Shani will never be able to afford a house.

Vermeer shows what extremes he is capable of. The serial killer who is obsessed with Lena goes into action and Juan is suddenly blackmailed.

Len Vos' obsession with Lena reaches a peak when she suddenly disappears. Byl and Jo meet and neither is what the other expected. The team is racing against time to save Lena.

Vermeer let's Byl in on his plan, but whether he will play along is an open question. Juan hears from a colleague that the shipping container is just a drop in the bucket.

In the final episode, Byl and his team are tested to the limit. Not only is South Africa's democracy at stake, but the Police and Armed Forces have become a political toy.

Thanks to Byl and his team, Vermeer failed and the unit was restored to their former glory. However, this does not mean fewer challenges. Someone targets prostitutes while the sea spits out corpses.

A mass grave is discovered in the sea and when the bodies are removed, the serial killer begins to escalate. A piece of chewing gum is found in the groin of a ripper victim.

A second body with signs of poisoning is found in a trash can. After Byl fails to authorize payments, Juan receives an irresistible offer. Jo suspects William is hiding something.

The serial killer targets her final victim and it gets personal. Nicki finds company with Alex and this displeases Byl. A key person in the Impersonator case goes missing.

A hunting trip takes a dark turn and it makes a friend of Nicki's question his decisions. Juan develops an algorithm to predict which serial killer the Impersonator will impersonate next.

Byl finds his own DNA at an Impersonator murder scene. William's relationship with his neighbor deteriorates further. Jo is put in a difficult situation and has to face her demons.

Human remains found near a slaughterhouse put Byl on the trail of an artist. The unit makes a breakthrough on the Impersonator's clues. Jo and William share an intimate moment.

Victor takes the final steps to complete his perfect work of art. Mia receives a message for Byl from a tramp. The content makes him realize the Impersonator is closer than they think.

Stopping the Impersonator becomes a race against time. Juan's suspicion that the killer might be part of the unit turns into an office fight, while Byl finds himself in a trap.

Byl must rely on his team to save him, but they must solve clues and find the latest Mimic victim before it's too late. The killer's final package has deadly consequences.