Riichiro Hayase and Haru Eto are your typical couple, except for the fact that they’ve already divorced each other. But now it’s way past time to move on, so they decide to get some closure-- by finding each other new spouses.
Haru experiments with dating again, with mixed results. Meanwhile, she’s finally found someone for Riichiro, but that person has a secret of her own…
Riichiro wonders what Kasumi really wants from him, and Haru finds out something about the Nagatomi family which shakes her deeply.
Haru meets Mr. Nagatomi's parents, and Kasumi surprises Riichiro.
Haru finally says the one thing she's never managed to say to Riichiro before.
Sayuri has a plan, and nobody is going to get in her way.
Haru and Riichiro are each dealing with their breakups badly.
Riichiro rekindles an old flame and develops a new passion for cooking. Meanwhile, Haru's new relationship is going so badly that practically everyone decides to involve themselves.
Haru is now armed with Kitajima's divorce papers, but doesn't know what to do with them. Meanwhile, the crew get together to do something about Haru and Riichiro, but without putting much thought into exactly what they should do.
Haru still hasn't figured out what to do with Kitajima's divorce papers, and decides to speak to Takako about it. Meanwhile, Riichiro plans his marriage proposal to Tamiko, determined to not make it as haphazard as his last one.
Sayuri beats the truth out of Kaieda, who tells Haru the truth behind the day everything started to go wrong with her marriage. The wedding ceremony for Riichiro and Tamiko, awkwardly supervised by Haru, steadily comes closer.
Riichiro's wedding begins, but Haru is late. The truth of that fateful night has turned her world upside down. As everyone else waits on, Haru must make a decision.