泰柱没想到在过去的自己的爸爸是个举止不检的男子。他也认不出泰柱，泰柱跟著爸爸回了家，并遇到了过去的所有家人以及过去的自己。泰柱很是难过，另外他也回想起了一些关键的画面。在办案过程中，娜英表现得越来越积极，对泰柱也别有心意，还邀请他看电影。

泰柱遇到了在他小時候就過世的父親。他回憶起有父親時的童年記憶。然而，泰柱又接到另一起謀殺案。隨著泰柱調查這起案件，他想忘記或不得不忘記的記憶碎片逐漸浮現。

Tae Joo meets his father, who passed away when he was young. Before he can recall the warm memories with his father, another murder occurs. In the midst of solving this crime, he is reminded of how important a father is in a child’s life. The closer they get to solving the case, the clearer his memories become. The missing puzzles of his lost memories come together. (Source: Viu)

어렸을 적 돌아가셨던 아버지와 해후한 한태주(정경호). 아버지와의 따뜻했던 어린 시절의 추억을 떠올리는 것도 잠시, 또다른 살인 사건과 마주하게 된다. 사건에 다가갈수록 선명해지는 기억. 태주의 잊고 싶었던 잊어야만 했던 기억의 조각들이 서서히 맞춰지는데...