Shen Qinglan returns to her family's old home to visit her parents, only to discover that their electricity bills are unbelievably high. A power outage unexpectedly exposes a six-year secret: the neighboring guesthouse has been stealing electricity from the Shen family! All sixteen guest rooms, including their air conditioning and hot water, have been running on the Shens' electricity. Faced with a malicious neighbor who makes every excuse imaginable and exploits their long-standing friendship to bully them, Shen Qinglan refuses to put up with it any longer. She gathers the evidence and decisively cuts the power! The guesthouse is suddenly facing closure, reservations are canceled one after another, and the arrogant neighbor finally panics. It's time to settle six years of unpaid debts, down to the last penny, with interest!