Each player is designated a suit known only to him. The Relationship Cards spell out certain relationships among the suits. Your goal is to determine which other player is holding a suit and is your friend and which is your enemy, all the while collecting the cards that match only your suit. This is accomplished through the trading and drawing of cards. The first to collect all of his cards may then attempt to identify his friend (as designated by his relationship card). His friend then attempts to identify his own enemy. - BoardGameGeek