Angel has a very distinctive undead scent. Spike's scent is very familiar, but his is mixed with cigarettes. Buffy on the other hand, has a very warrior-slash-athlete smell to her. They had both headed east.

"Just because they know where to find Ember, doesn't mean she will take them to Maloker. He wanted to see me. Not them." April softly replied.

"We have our own clues to finding Maloker."