Zhu Erduo's long-awaited summer vacation trip turned out to be an adventure like "Lost on Journey". Facing the delayed flight, the unreliable travel agency, the leaky room, and the dirty and messy beach, is Zhu Erduo's summer vacation trip really that bad? What's the story behind the independent and brave girl Keyi who attracts Zhu Erduo? There may be unexpected surprises and beauties behind all this!