Leonard returns from his North Sea expedition to find that his relationship with Penny involves more beta-testing than he’s ever done in a lab. Howard’s attachment issues with the women in his life in particular and Raj’s social breakthrough with women in general provide more laughs. Bernadette and Amy stand staunchly by the men in their life, even when they’re sitting in marathon role-playing games. Sheldon sees his mom in a totally different way, parties with James Earl Jones, establishes a (sort of) bond with his idol Professor Proton and makes a scientific breakthrough that breaks down before you can say Science Friday.

43岁长谷部真次（堤真一 饰）是一位平凡的公司业务员，在同事们眼里，真次是个沉默寡言的男人，可是，并没有人知道，这个沉默寡言的男人拥有一位坐拥巨额财产的大企业家父亲。真次和父亲很早就决裂了，无法忍受父亲的自私和专横，在一场意外之后，真次离开了家，决定靠自己的双手过活。
一转眼数年过去，很久没有和父亲联系的真次等到的却是父亲病危的消息。昏暗的地下铁通道之中，这噩耗让真次的心中五味杂陈，父亲，以及已经去世的哥哥的种种如影随形。在恍惚之中，亡兄的幻影突然出现，追寻着这幻影，真次跑出了通道，此时，他震惊的发现，自己竟然穿越了时空，回到了1964年。