A boss of a toy corporation, Chenggong Li, tries to head back to Chan Sar to celebrate the Chinese New Year with his family. However, plans don't go as smoothly after he crosses paths with a stranger, Geng Niu.

Lost in Thailand is the story of two rival business managers, Xu and Bo, who are fighting over a revolutionary new in-house technology for control of their company. If Xu wins, his future will be secured. The critical task is to secure control over the shares of the chairman, who is at a retreat in Thailand. Xu catches the first plane to Bangkok, where he meets the happy-go-lucky Wang, an unexpected travel companion who will open his eyes to life's true priorities.

The film follows Xu Lai, a former artist whose dreams were dashed when the responsibilities of life set in. With his life now revolving around his wife Cai Bo who is obsessed with having children, the quirks of his eccentric family and his mediocre, ordinary existence, Xu Lai hopes to reconnect with his first love Yang YIi on an upcoming vacation. However, his hopes are dashed when he finds himself wrapped up in a murder investigation that proves truth is often stranger than fiction.

A story of a businessman who accidentally boards a train bound for Russia with his mother and has to overcome difficulties with his mother and problems in his family life.