After her ex-boyfriend dies, an editor becomes obsessed with his fiancée, a woman accused of swindling multiple men out of money before killing them.
Episode 1
Mari's former boyfriend Yoshio has committed suicide. Mari grows suspicious when she learns of his engagement to a woman he met on a matchmaking site.
Episode 2
Megumi is arrested for marriage fraud and murder. Mari harbors doubts and delves into Megumi's past along with a sports journalist named Kengo.
Episode 3
Mari and Kengo travel to the island where Megumi grew up. They hear that she was once the prettiest girl there, but something changed her.
Episode 4
New secrets surrounding Megumi come to light as Mari returns from the island to meet her face to face. Mari's father suddenly collapses.