David's comfortable world is turned upside down when his birthmother unexpectedly reaches out to him, longing to meet the 18-year-old son she's only held once.
沈腾带队“出发家族”原班人马再次奔赴自然秘境，并首次出国野游，理想型旅途穿越四季奇景，掀起“欢乐洪流”。
