走进不曾被探索的隐秘世界,领略死亡洞穴的独特魅力。。A dark romantic comedy. Tom and Janet have been happily married for years. But a visit from a mysterious stranger leads to a dead body, a lot of questions, and a tense couples' trip with friends who may not actually be friends at all.。In 1902 London, unhappily married Philip Marshall meets young Mary Gray, who is unemployed and depressed. Their deepening friendship, though physically innocent, is discovered by Philip's wife who threatens him with exposure and scandal, driving him to kill her. Thereafter, fortune seems to smile on Philip Marshall| but does fate have a surprise in store?。