Single men and women dating in pods where they hear but can't see each other. If couples connect over 10 days and mutually decide to get engaged then they meet on holiday. And finally decide compatibility before potential wedding.。1943年9月,行驶于大洋正中的潜水艇卡佩里尼号,正在前往日本输送战时物资。与世隔绝的他们并不知道本国已判出原有阵营,尚做着纵情欢歌美梦。殊不知等待着他们的是刻板严厉的日本海军少佐・速水洋平。奉行享乐主义的意大利船员与将捐躯赴国刻入灵魂的日本少佐,一段家国与本性的碰撞即将展开。。The story about a couple who do not want to have children of their own, and a pregnant, single woman who needs a home for a while, the relationship between the three protagonists is strange, at the very least.。