Four 22 year-olds on a Mexican road trip seem bound for disaster until they, and their trip, are unexpectedly redeemed by a series of miraculous event

根据真人真事改编，描述五个加拿大、美国和英国年轻人在二战期间前往安大略湖一个绝密训练基地接受间谍技能训练（包括破坏、暗杀、爆破、勒索、摩斯密码、地图学和招募年轻人投身抵抗运动的口才），他们随后被派到德军占领地区执行重要任务。联邦调查局和战略情报局（Office of Strategic Servic