影視公司宣傳企劃楊佳（劉詩詩 飾）得了怪病，命懸一線。暗戀她的程序員劉同（胡夏 飾）為使她不留遺憾，決定在她每次昏迷蘇醒之際，以穿越之名為她圓夢。但，劉同的行動并不順利，除了突發情況帶來的穿幫，還有來自情敵尹哲（大左 飾）的奮力阻撓、戳穿。劉同竭盡全力與重重困難斗智斗勇，結果卻完全出人意料——原來，楊佳并非真病，她是為對付上司騷擾，佯作患疾。劉同的努力，她完全明了，劉同為她精心設計的從民國到未來，跨越200年的美妙夢境，讓楊佳深受感動。大家到此方才恍然大悟。可是，又一個意外橫飛而來……

　　在物欲橫流的社會里，高利貸公司CowCow Finance的事業繼續蒸蒸日上。然而，隨著某日突然來訪的，將社長丑島馨稱呼為“小馨”的中學同班同學竹本的出現，丑島的過去逐漸被揭開。丑島與盟友戌亥、得力下屬柄崎和高田不得不面對來自知曉丑島過去故事的最強敵對者鱷戶三兄弟、與丑島舊恨未了又添新仇的女性高利貸者犀原茜、欲要毀滅丑島的十分有手腕的律師都陰以及立場無法判明的竹本的多重挑戰，CowCow Finance史上最大危機來臨……

　　The nightmare was about a demonic possession. A long time ago, there was an evil in a small town and it was jealous of the girl and would never let her go, since the devil loved the girl. One night, the evil raped the girl and she became pregnant. After months the girl could not hide her baby, her father figured her secret out and clapped the girl in irons and locked her room door. But the evil put the gun to her father' temple and saved the girl. The father had a stroke and had been sleeping on the bed for three months and died. Time went on and the girl brought a child into the world. Naturally, people who were living in the village heard the story and they did not want to see neither the girl nor the baby since when the baby was born, plants dried in the field, fishes lost in the lake and people had prayed to the god for rain, but nothing changed in the village. People got so angry, dug a hole in front of the fountain, put her into the hole and threw stones at her face. The girl died soon after. The evil went off the deep end, took a revenge of the village and killed everyone except two sisters because the evil wanted them to take care of its baby...

　　一次偶然的事件讓同為死對頭的極品同桌男女互換了身體與性別，二人為了恢復正常做出了瘋狂舉動，經歷了種種令人啼笑皆非的荒唐事情。無果之后，二人將計就計，利用對方的身體互相追求自己喜歡的人，歷經艱辛終于討得心上人歡喜。大功告成之時，不料災難悄然降臨，二人即將面臨時間的清理，急速衰老，禍不單行，王元鵝的母親因為自己的任性而失去生命，大喜大悲之下，二人悟出了青春的含義還有親情的可貴，無奈時日不多，臨死之前，二人一一完成自己的遺愿，開演唱會、做學霸、挑戰黑社會，可是等到最后一天死神到來之時，王元鵝才發現，一切原來是......