Five best friends trying to do the right thing in heartlake city, whilst trying to figure out friendships and what's important along the way. 五个最好的朋友试图在中心湖城市做正确的事情，同时试图找出友谊和什么是重要的一路。
A diverse group of tourists on an organized trip to Lisbon find themselves investigating a murder after one of them is killed on the first morning. Set out to find the killer among the group as they visit beautiful Lisbon sites.
