The Picnic Basket escape room

After solving the last puzzle in the briefcase, you learned the Doctor was meeting an associate at the park for a picnic to further discuss the matters at hand. You and your friends rush back the the park to find the picnic basket. When you find the picnic site, there are ants everywhere on the blanket and the basket is locked. The Doctor and his associate have left more clues and puzzles for you to solve...