With summer break around the corner, Pat suggests the family take a vacation after seeing that Courtney has been spending too much time focused on being Stargirl and not enough time on her schoolwork. Meanwhile, as Beth attempts to reconnect with Chuck, she stumbles upon a major secret her parents have been keeping from her. Elsewhere, Yolanda continues to be haunted by Brainwave's death, and Rick secretly tracks Solomon Grundy after suspecting he may still be in the area.

Cindy and her new team make their move against the JSA leading to an epic showdown.

When the guilt over Brainwave's death becomes too much to handle, Yolanda is forced to make a heartbreaking decision.

With his world crashing down around him, Rick focuses his attention on protecting Solomon Grundy after learning hunters are after a bear in the woods. Meanwhile, Beth becomes the target of Eclipso's latest plan.

As Eclipso takes aim at the Whitmore/Dugan's, Pat is reminded of painful memories from his past. Mike is forced to confront the guilt he feels for his role in Icicle's death, and Barbara comes face to face with someone from her past. Courtney struggles to hold onto hope after Eclipso targets those around her.

After a frightening encounter leaves Courtney's life hanging in the balance, the team band together to determine their next steps.

With the looming threat of Eclipso hanging over them, Courtney seeks help from the unlikeliest of places. Meanwhile, Mike's search to find Thunderbolt leads him straight to his friend Jakeem, and Pat goes to extreme lengths to protect Rick.

As Eclipso unleashes the final part of his master plan, Courtney, Pat and the JSA band together to take him down once and for all.