Shadow of the Elves Season 1 Episode 16 The Trojan Box

The elves deviously give a cursed chest to Menel as a gift. When the box is opened, it immediately causes a devastating storm that follows its bearer. Thalia discovers the secret and struggles to get the box away from their village. With Salamacis' help, she swims through an underground stream and delivers the "present" back to the elves.