A woman leaves her cheating boyfriend and goes to a remote village in the Taiwanese mountains to deliver a blowfish to a man who won it on an online auction. Immediately, a quiet and unusual relationship develops between the two.

Today is Liang's birthday, while she's looking forward to her date tonight, her mother demanded her to babysit her brother's new born baby: Little Pen. Liang is very upset with the situation. She needs to come up a plan.