Eight friends, all in a stable relationship, decide to venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routine and add a spicy touch to their love life.
温馨提示：[DVD：标准清晰版] [BD：高清无水印] [HD：高清版] [TS：抢先非清晰版] - 其中，BD和HD版本不太适合网速过慢的用户观看。
